social density 中文意思是什麼
social density
解釋
社會性密度-
According to basic principle and application experience of black light lamp, the trapping lamps were opened out using the principle of wave, color and taste to trap insect pests imago with the electric networks of frequently vibration and high voltages, it can trap many species and amounts of insect pests, reduce amounts of field ovum, greatly reduce insect pests density, save energy, have low lost, little harm to natural enemy and persons and livestock, have remarkable economic, ecological and social efficiency
摘要借鑒黑光燈的基本原理和應用經驗，再配以頻振高壓電網觸殺的頻振式殺蟲燈，誘集的害蟲種類多、數量大，既大幅度降低了田間落卵量，又顯著減少了蟲口密度；節能省電，成本低；葉昆蟲天敵殺傷力較小，對人畜安全，不污染環境，具有顯著的經濟、生態和社會效益。 -
Along with the social economy development and population density increasing, the wealth concentration degree rise, the frequency and the loss degree of the catastrophe also unceasingly rises
隨著社會經濟的發展和人口密度的增大，財富集中度上升，巨災發生的頻率和損失程度也不斷上升。 -
The non - renewable resources is introduced into the production function, this paper formulated the optimum decision - making model of social planer, used the stochastic analysis method, analyzed optimum decision - making which the social planer about the expense and the non - renewable resources utilize under the indefinite condition, and obtained the optimum storage quantity of capital demonstration way and the density of stability distribution, and give the policy meaning of the model
摘要將不可再生資源引入生產函數構建了一個社會計劃者的最優決策模型，運用隨機分析方法，分析了不確定條件下社會計劃者關于消費和不可再生資源利用的最優決策，得到了最優資本存量的顯示路徑及穩態分佈密度，並給出了模型的政策含義。 -
The lower density and higher strength are the most obvious characteristics of lightweight aggregate concrete ( lwac ). this new material has significantly economic and social value when it is applied to some special projects such as large - span bridges and high buildings
輕集料混凝土的輕質高強等顯著優點，使其在大跨度橋梁，高層建築等工程中應用中具有巨大的技術經濟優勢和突出的社會效益，正成為現代混凝土的一個重要發展方向。 -
The spd model is made by the ins titute of geographical sciences and natural resources research of chinese academy of sciences. it combines social economic factors, such as city and transportation foundational facilities, with nature factors, for example the digital elevation model ( dem ) and net primary productivity ( npp ) of plants to simulate the spatial distribution of population density of china by the advanced grid generation technology
中國模擬人口密度模型是由中國科學院地理科學與資源研究所首先提出的，這個模型試圖利用先進的格網生成技術，將城市、交通基礎設施等社會經濟因子和陸地數字高程（ dem ） 、陸地植被凈第一性生產力（ npp ）等自然因子相結合，通過模型的反演，模擬某一時期的中國人口密度空間分佈狀況。 -
The suburbanization of the united states was prior to the other countries in the world, vvhich had its own characteristics : it mainly was a process of natura ! spread from the city ? re to the outer ; during the process, it was very obvious that the social stratum differed according to region ; besides, it also presented the characteristics of extension with low density and decentralization
美國的郊區化走在世界各國之先，有其特徵：它主要是一個從城市核心向外自然擴展的過程；郊區化過程中，社會階層地域分異比較明顯；還呈現出低密度蔓延和分散化的特徵。 -
Three conclusions were drawn. ( 1 ) in high - density use areas, the density - crowding effect seems weak. ( 2 ) both social interference theory and stimulus overload theory are appropriate applying to perceived crowding research. ( 3 ) encounter norms, perceived encounters, and perceived crowding should be all included as indicators while establishing social psychological carrying capacity for recreational areas
研究結果顯示（ 1 ）大多數遊客不具有接觸規范， （ 2 ）遊客泛舟時並不感受特別擁擠， （ 3 ）有無接觸規范者的知覺接觸數量並無差別，但遭遇其他遊客時的擁擠知覺卻具有顯著差異， （ 4 ）遊客知覺接觸數量若超過接觸規范時，其擁擠知覺就顯著增強。 -
Chris, a black american, fought his way from the lower end of the social ladder at the outset, selling the unpopular and costly bone density testing machine for growth raise
克里斯是一名美國黑人，掙扎在社會底層，靠推銷又昂貴又冷門的骨骼密度測量儀為生。
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